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Greysun Green
NPI 1639821309 · Behavior Technician · Irvine, CA
Greysun Green is a Behavior Technician provider in Irvine, CA (NPI 1639821309).
Provider details
- NPI number
- 1639821309
- Entity type
- Individual
- Primary specialty
- Behavior TechnicianBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
1063 Mcgaw Ave Ste 100
Irvine, CA 92614-5554
Phone: (714) 834-1111
Street-level locationGet directions
Mailing address
1538 E Fairfield Ct Apt 2
Ontario, CA 91761-6338
Registry dates
- Enumerated
- 2022-01-24
- Last updated
- 2022-01-24
- Certified
- 2022-01-24
Frequently asked questions
- What is Greysun Green's NPI number?
- Greysun Green's National Provider Identifier (NPI) is 1639821309, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Greysun Green's specialty?
- Greysun Green is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Greysun Green located?
- Greysun Green's practice location on file with NPPES is 1063 Mcgaw Ave Ste 100, Irvine, CA 92614-5554.
- What is Greysun Green's phone number?
- The practice phone number listed in the NPPES registry for Greysun Green is (714) 834-1111.
- Is Greysun Green's NPI active?
- Yes — Greysun Green's NPI (1639821309) is active in the NPPES registry as of the last update on 2022-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.